Will of Chronos

The First Age — If this is the first time a spell
named Will of Chronos has resolved this game,
each player shuffles their hand and graveyard into
their library, then draws five cards.You gain 4 life.
Untap a land, then untap another land for each
4 life you have less than an opponent.

The Second Age — Otherwise, look at the top six
cards of your library. Put one of them into your
hand and the rest on the bottom of your library
in a random order. Untap all lands